I keep running into 'Manetho' this and 'Manetho' that. I was hoping that amongst the Perseus hoard, 'Manetho' pieces would appear. But no such luck so far.
Anyway anyone wanting an easy download: http://archive.org/details/manethowithengli00maneuoft
I'm obviously no Manetho expert but this would seem to be a nice addition to Logos. It's actually offered for sale by the publisher Harvard University Press but apparently has given Archive.com digitizing rights.
And interestingly enough, having read some of this pdf, another Logos $$$ resource looks pretty interesting:
http://www.logos.com/product/8763/berossus-and-genesis-manetho-and-exodus-hellenistic-histories-and-the-date-of-the-pentateuch
Here's a sample page. 'Manetho', in competition with other ancient historians, was was frequently over-written in the later 'history-wars' - this page takes aim at his data):
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